Proportioning the Compressed Air Dryer
Trying to figure out which air dryer capacity is best for you? Here are some factors to consider. Read More…
Variable Speed Drive (VSD) Compressors: What to know.
Variable
Speed Drive (VSD) compressors are a game-changer in the world of compressed air. These compressors automatically adjust their
operating speeds to match the real-time demand for compressed air. It's an important feature, especially when it comes to energy savings.
Surprisingly, the electricity consumed by a compressor can account for the largest portion of its total cost of ownership, not the initial
purchase price. On average, VSD technology can reduce energy costs by 35% to 50%, which translates into significant savings.
Now, let's delve into the key differences between fixed speed and VSD compressors. Fixed-speed compressors are simpler machines with a lower upfront cost. You turn them on, and they run at full speed until they need to be shut off. It's a straightforward concept. On the other hand, VSD compressors are more advanced. They don't just run and stop; they precisely match their output to the demand, making them highly sophisticated. Consequently, the initial investment for VSD compressors can be higher due to their superior capabilities.
But when should you consider investing in a Variable Speed Drive (VSD) compressor? While VSD technology seems ideal for any business, it may not always be the best solution. VSD compressors are most suitable for businesses with fluctuating demand, such as those with varying processes or multiple shifts. Situations that warrant a VSD compressor include when compressed air demand varies significantly between jobs, fluctuates by shift, day of the week (e.g., weekends), or seasonally, or when production requires precise pressure control. If your operation is consistent without significant demand fluctuations, or if the variations are minimal, a fixed speed compressor might be the better option.
Alternatively, you can consider a hybrid solution by combining a fixed speed compressor with a VSD compressor. The fixed speed compressor would handle the base load, while the VSD compressor(s) would trim the demand as needed. This setup provides redundancy, ensuring uninterrupted production. If one compressor shuts down, the other takes over the full demand, keeping operations running smoothly.
Now, let's explore the benefits of investing in a VSD compressor:
- While VSD compressors have a higher initial investment cost, they quickly pay back that investment through energy savings. The greater the demand variation, the higher the potential savings.
- VSD compressors operate within a much tighter pressure range compared to fixed speed compressors.
- They can maintain the required minimum working pressure of your air system while operating at lower delivery pressures. Additionally, they provide consistent discharge pressure for all compressed air applications throughout your facility.
- A VSD compressor allows you to set the net pressure lower than the unloaded pressure of a fixed speed compressor. Every 1 bar reduction in pressure results in a 7% energy savings.
- VSD compressors can start and stop under full system pressure, eliminating the need for unloading. This saves both time and energy. Furthermore, there are no idling periods or blow-off losses that occur during normal operations.
VSD compressors offer numerous benefits, including energy savings, precise pressure control, consistent performance, and efficient operation. They are particularly advantageous for businesses with fluctuating demand patterns. However, it's essential to evaluate your specific needs and consider a combination of fixed speed and VSD compressors or a purely fixed speed compressor if the demand variations are minimal.
If you have any questions, reach out to an expert today.
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us know!
Who we are and how Ash Air can help your business!
Ash Air has been around in New Zealand since 1979, and weβve grown into a nationwide company with international support and a reputation for quality and reliability.We look after all things compressed air for your business!
- Rotary Screw and Piston Air Compressors
- Vacuum Pumps and Blowers
- Nitrogen Generation
- An extensive line of Air Treatment components
- AIRnet Piping System and Filtration
- Mobile Compressors, Generators, and Light Towers
Ash Air's range of Chicago Pneumatic, ALUP, Pneumatech, and Atlas Copco products are used extensively around the world in industries ranging from oil and gas to food, automotive and farming, and we bring you these world-class compressors here in the land of the long white cloud.Our technicians are compressed air equipment experts and are dedicated to addressing customer needs. Supported with nationwide coverage, Ash Air offers one of the widest selections of compressed air, vacuum pump, and industrial gas equipment and parts available today in New Zealand.
Reliability and Efficiency
With Ash Air, you can count on reliability and high performance for even the most demanding applications. We focus our efforts on the following:
- Increasing uptime
- Reducing unexpected repairs
- Reducing energy consumption and meeting our sustainability goals
- Improving the cleanliness of compressed air
Talk to the team today:
Read more from our #expertcorner
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Maintenance budget: 8 factors to consider
Just like any other equipment, a compressed air installation also requires the necessary maintenance work during its entire lifespan. Even though maintenance costs are only about 5 to 10% of a machine's annual operating costs, failure to budget for maintenance can have potentially disastrous consequences. Read More…
The air dyer is one of the most ignored cooler in the system. A dirty condenser will cause water in the lines, or worse it will cause complete dryer failure. Read More…
Why Replace CO2 with Nitrogen in your Brewery
Using nitrogen is not about fully replacing CO2, but it can reduce their consumption of CO2 by close to 70%. Using nitrogen is about sustainability. Creating your own nitrogen is easy and will reduce the use of a greenhouse gas, which is better for the environment. It will also save you money as early as month one adding that savings to your bottom line. Read More…
What do I need to know about ICONS?
ICONS: Intelligent Connectivity System: The insight into your compressed air system, wherever you are. Learn More about ICONS in this article here! Read More…
A question that is occasionally asked by our customers to Ash Air is 'what is the cost of compressed air?'Β This article looks at the product costs involved with compressed air, as well as minimising the energy cost of compressors and cost allocation. When looking at these factors, we need to realise what causes dropped efficiency of your compressor, leading to increased costs of compressed air. Read More…
How to avoid falling objects when working at heights
You may have great fall protection measures in place to keep employees safe when working at height, but what about their co-workers below? Dropped tools and other falling objects are a major hazard β and one that isnβt always fully addressed.Β Read More…
Providing a safe working environment for operators is essential, especially when using pneumatic tools and compressed air. If there is a failure in the air network and the hose is not adequately clamped, the resulting whiplash could be devastating. Failure to follow best practice can result in injuries, associated production downtime and decreased productivity. Read More…
Why do I need a dryer for my compressor?
A common questions asked is why do I need an air dryer for my compressor? Typically, air compressors produce water, and although the
water can be drained, there can still be aerosol and vapour droplets that are present. This is because water cannoet be compressed. Water
can damage your compressor by corroding the valves, pipes and machinery controls, which will cost you time and money to resolve. In
the long run, the cost of a new compressor is a small price to pay compared to the loss of production that could potentially arise due
to water damage in your compressor.
Read More…
What are some preventable causes of air compressor failure?
Air compressors can fail for an assortment of different reasons: Normal wear and tear, lifespan and age of the unit, poor maintenance, power surge, install issues are just a few the come to mind. Check out this blog to find out our top 7 tips to ensure your compressor is looked after! Read More…
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Simple Ways to Reduce Your Compressed Air Costs?
Air compressors use considerable volumes of energy during a typical work cycle. When you add up all the expenses of operating a facility, any savings can help you boost your bottom line. Read More…
What Should You Know When Buying a Compressor for the First Time?
If you have never bought a rotary screw air compressor before; do the following. Add up the air consumption of all the equipment at your shop. That will be the amount of air your desired compressor should provide. Read More…
How to Know When Your Industrial Air Compressor Needs Servicing
Knowing the telltale signs of wear and tear, understanding your productβs specifications and usability guidelines, and knowing when itβs prudent to call in repairs are skills that could save you a lot of time, effort, and money in the long term. Read More…
One-stage vs Multi-stage Compressor
Find out the difference between a one-stage compressor and a multi-stage compressor. Read More…
How do I winterise my air compressor?
That cold, rainy, and in some places icey New Zealand winter is upon us, and with the following air compressor tips, your air system will be prepared with the preferred temperatures, despite the weather outside. Regardless of whether or not it actually snows or freezes up where you live, most winterisation service recommendations are also basic, solid maintenance procedures that will help extend the life and operational efficiencies of air compressors regardless of whether you live in Queenstown or Northland. Read More…
